Pharmaceutical care (PC) is a process through which a pharmacist works with other healthcare professionals and the patient to optimise pharmacotherapy. Early studies, carried out before PC was established, provided limited evidence of the benefits of pharmacist involvement in diabetes management. More recent research has examined the role of PC in a range of diabetic sub-groups. Although few of these studies were randomised, prospective and included clinically important end points such as HbA1C, some beneficial effects of PC were reported. In the most recent study, a 12-month randomised controlled trial of PC in community-based diabetic patients, regular face-to-face and telephone interviews with an experienced clinical pharmacist improved glycosylated haemoglobin while glycaemic control did not change in the controls. In addition, reductions in blood pressure, and in absolute vascular risk for patients with no history of coronary artery disease, were significantly greater in the PC group. Available evidence suggests that PC can prove a valuable component of community-based multi-disciplinary diabetes care.